/Engine/Source/Runtime/Engine/Classes/Engine/MemberReference.h
the 'real' generated class for blueprint classes, but only if we're already passed through CompileClassLayout
static [UClass](API\Runtime\CoreUObject\UObject\UClass) * GetClassToUse ( [UClass](API\Runtime\CoreUObject\UObject\UClass) * InClass, bool bUseUpToDateClass )